“Below the arches are the chapels which surround the decagon in symmetrical fashion.”

“How much more sacred than our triangle would be a square, a pentagon, a decagon, a figure with a hundred sides?”

“The plan of the church was a decagon, within which six composite columns in the centre supported six semi-circular vaults.”

“These various polygon shapes consist of, but are not limited to, triangles, squares, pentagons, hexagons, heptagons, octagons, nonagons, decagons, undecagons, and dodecagons.”

“A thin diamond and a thick one form an endlessly interlocking field of five-pointed stars and decagons, sort of like a mildly psychedelic bathroom tile.”